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Independent schoolCombined Years Prep-12Co-edMajor Cities

St Michael's Grammar School

Updated Oct 2026 · ACARA 2025St Kilda, Victoria 3182 · Port Phillip LGA

89.3/ 100
Success Index
Top 5%

#4 of 239 combined schools in VIC
#9 of 1,259 nationally

How is this calculated?
Students
1,143
+1% over 5 years
ICSEA
1180
99th percentile nationally
Students per teacher
8.2
139.5 FTE teachers
Year range
Prep-12

About St Michael's Grammar School

St Michael's Grammar School is an independent combined (K–12) school located in St Kilda, Victoria (3182), within the Port Phillip local government area. It caters for students from Prep to 12 and in 2025 enrolled 1,143 students (545 girls and 598 boys). The school is affiliated with Independent Schools Victoria.

St Michael's Grammar School has an ICSEA value of 1180, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 72% of students come from the top socio-educational quarter and 0% from the bottom quarter.

The school employs 162 teachers (139.5 full-time equivalent) and 87 non-teaching staff, giving a student-to-teacher ratio of about 8.2 to 1. Enrolments have remained steady over the past five years.

On the Success Index, St Michael's Grammar School scores 89.3 out of 100, placing it in the top 5% of combined schools nationally and 4th of 239 combined schools in VIC (1st of 3 in the Port Phillip area).

VCE results (2025)

Published by the Victorian Curriculum and Assessment Authority. Study scores range from 0 to 50 with a state mean of 30; a score of 40 or above is in roughly the top 9% statewide.

Median study score
33
Unchanged from 2024
Study scores 40+
10.3%
-2.8 pts vs 2024
VCE students
216
Enrolled in at least one VCE study
VCE completion
100%
92.4% applied for tertiary places
Results reflect the students who sat the VCE in 2025 and are not adjusted for intake. Schools with fewer than four students in a measure are suppressed by VCAA. See top VCE schools in Victoria.

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1180
  • Students in the top advantage quarter (15%)72% of students
  • Teacher resourcing (students per teacher) (15%)8.2 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+1% enrolments since 2020 (area median +1%)
  • ICSEA trend (5 years) (10%)+28 ICSEA points since 2020

The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.

Student profile

Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.

St Michael's Grammar School
Bottom quarterLower middleUpper middleTop quarter
Girls
545
Boys
598
Language background other than English
12%
Indigenous students
0%

Enrolments by year level

How St Michael's Grammar School's 1,143 students are spread across year levels in 2025.

Prep intake
28
Year 7 cohort
134
Year 12 cohort
145

Enrolment trend

How enrolments at St Michael's Grammar School have changed over the past decade.

9951,1401,2842015: 1,223 students2016: 1,220 students2017: 1,203 students2018: 1,196 students2019: 1,180 students2020: 1,134 students2021: 1,106 students2022: 1,126 students2023: 1,107 students2024: 1,134 students2025: 1,143 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Michael's Grammar School?

Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Hawthorn

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Schools near St Michael's Grammar School

Closest schools by straight-line distance, with their Success Index.

Similar schools

Independent combined schools in VIC with a comparable ICSEA.

Frequently asked questions

Is St Michael's Grammar School a public or private school?

St Michael's Grammar School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools Victoria.

What year levels does St Michael's Grammar School offer?

St Michael's Grammar School offers Prep to 12. It is classified by ACARA as a combined school.

How many students attend St Michael's Grammar School?

In 2025, St Michael's Grammar School had 1,143 enrolled students (545 girls, 598 boys), a change of 1% over five years.

What is the ICSEA of St Michael's Grammar School?

St Michael's Grammar School has an ICSEA (Index of Community Socio-Educational Advantage) of 1180. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.

How does St Michael's Grammar School rank in VIC?

St Michael's Grammar School ranks 4th of 239 combined schools in Victoria on the Success Index (89.3/100), and 9th of 1,259 nationally.

What is the student-to-teacher ratio at St Michael's Grammar School?

St Michael's Grammar School has about 8.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

What are the VCE results at St Michael's Grammar School?

In 2025, St Michael's Grammar School recorded a median VCE study score of 33 with 10.3% of study scores at 40 or above, from 216 students enrolled in at least one VCE study. Source: VCAA Senior Secondary Completion and Achievement Information.

How big is the Year 7 cohort at St Michael's Grammar School?

In 2025, St Michael's Grammar School had 134 students in Year 7 and 145 in Year 12.

Is St Michael's Grammar School co-ed?

Yes. St Michael's Grammar School is a co-educational school enrolling both girls and boys.

What other schools are near St Michael's Grammar School?

There are 10 other schools within 15 km of St Michael's Grammar School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.

Where can I get tutoring near St Michael's Grammar School?

The closest Success Tutoring centre is Success Tutoring Hawthorn, about 5.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.